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Author
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Topic: do you have big boy racing sohc heads & cams...
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yesIdid
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Member # 58
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posted
 
 
do you have dyno graphs of gains?
any issues post-install?
would u go back there?
went down to talk to sheldon today; very cool guy; if he's not a car guy noone is; very knowledgable about mod cars.
thanks
[ July 22, 2004, 03:32 PM: Message edited by: yesIdid ]
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SOLD :(
Black 99 GT w/the 35th Anniversary package
BOUGHT :)
2015 Mustang GT premium w/PP
Posts: 514 | From: San Franpsycho | Registered: Oct 2000
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NvrGoFullRetard
CAFords OG
Member # 1633
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posted
i would go to bob johnson perf. or hci for any mod motor builds
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"formally 4.6 eatin gm's"
white 97gt n/a 320rwhp/325rwtq
01 sierra rcsb lsx 408 (murdered out)
03 ecsb sierra 6.0 on 22's
2011 Tahoe
Posts: 2759 | From: PITTSBURG/FAIRFIELD | Registered: Aug 2002
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93PONY
Mr. Valve Events
Member # 60
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posted
For what it's worth, we recently built a 10.3 to 1 compression N/A 2V motor (on this site) using Patriot stage 2 heads (with the correct valvestem guides & seals) & off-shelf Comp 270 cams. With longtubes & most of the other bolt-ons w/a stock intake it put down 311/311RW. This is far from a matched combo, but it did put down some pretty nice power. More then I've seen from any other N/A 2V around.
Regrinds aren't the best for N/A power IMO. They are excessively lazy off the seat & require valvetrain shims to get the correct valvetrain geometry. Get this geometry wrong & power/drivability will suffer (bigtime!). Another potential problem is the stock 3-groove valvelocks. They butt together & are designed to spin the valves. This is fine for stock springs, but put in anything with significantly more pressure & you'll either break valvesprings or drop a valve.
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www.advancedenginedevelopment.com
SCT dealer
Dynotuning
(916)715-7569
Posts: 4265 | From: Fair Oaks, CA | Registered: Nov 2000
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mtbaughs
Road Racer
Member # 4052
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posted
Well I've been present for many HCI combo's on the dyno and was always impressed with the outcome for the most part. We just got our first car in the shop yesterday from Big Boy racing with their cams, ported heads and an S- trim. We'll see what the outcome is when it is ready for a tune.
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R.I.P. Charlie Bruno Dec 2001
Posts: 2019 | From: Boise, Idaho | Registered: Jan 2004
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yesIdid
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Member # 58
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posted
interesting...
thanks for the responses
Posts: 514 | From: San Franpsycho | Registered: Oct 2000
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